Patent · US Expired

Needle locker in an overlock sewing machine

US4993336A · kind A · utility

10Cited by
5References
4Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 12, 1989
Grant dateFeb 19, 1991
Priority date
Expiry dateJun 12, 2009

Classification

  • Technology area (CPC D)Textiles; Paper
  • CPC primaryD05B55/02
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

A needle locker has a body having therein a first needle receiving hole and a second needle receiving hole. The first needle receiving hole is arranged in a direction perpendicular to the cloth feeding direction. The second needle receiving hole is adjacent the first needle receiving hole and arranged in the same direction. Two needles are disposed in the first needle receiving hole in adjacent parallel relationship and are detachably secured in the first needle receiving hole by a first setscrew. A single needle is inserted in and fitted detachably to the second needle receiving hole by a second short needle setscrew.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.